Mitsubishi Electric CITY MULTI PEFY Series Technical & Service Manual page 3

Do not use a charging cylinder.
- If a charging cylinder is used, the composition of the refrigerant in the cylin-
der will change and become unsuitable for use.
Exercise special care when handling tools for use with R410A.
- Infiltration of dust, dirt, or water into the refrigerant system may cause the
refrigerator oil to deteriorate.
HWE1706A
ii
GB